ACRN: dm: Add launch container method in script

This patch implements acrn-dm QoS. When the script be launched with "-C"
parameter, the acrn-dm will be executed in container for isolating the
resouce of service OS.

The QoS parameter is described in
/usr/share/acrn/samples/apl-mrb/runC.json, users can modify it following
their performance requirements.

Tracked-On: #2020
Signed-off-by: Long Liu <long.liu@intel.com>
Reviewed-by: Binbin Wu <binbin.wu@intel.com>
Reviewed-by: Wang Yu <yu1.wang@intel.com>

devicemodel/samples/apl-mrb/launch_uos.sh

@@ -393,12 +393,79 @@ echo "-V 3 means launching 1 clearlinux UOS + 1 android UOS"
 echo "-V 4 means launching 2 clearlinux UOSs"
 echo "-V 5 means just launching 1 alios UOS"
 echo "-V 6 means auto check android/linux/alios UOS; if exist, launch it"
+echo "-C means launching acrn-dm in runC container for QoS"
 }
 
 launch_type=1
 debug=0
+runC_enable=0
 
-while getopts "V:M:hd" opt
+function run_container()
+{
+vm_name=vm1
+config_src="/usr/share/acrn/samples/apl-mrb/runC.json"
+shell="/usr/share/acrn/conf/add/$vm_name.sh"
+arg_file="/usr/share/acrn/conf/add/$vm_name.args"
+runc_bundle="/usr/share/acrn/conf/add/runc/$vm_name"
+rootfs_dir="/usr/share/acrn/conf/add/runc/rootfs"
+config_dst="$runc_bundle/config.json"
+
+
+input=$(runc list -f table | awk '{print $1}''{print $3}')
+arr=(${input// / })
+
+for((i=0;i<${#arr[@]};i++))
+do
+	if [ "$vm_name" = "${arr[$i]}" ]; then
+		if [ "running" = "${arr[$i+1]}" ]; then
+			echo "runC instance ${arr[$i]} is running"
+			exit
+		else
+			runc kill ${arr[$i]}
+			runc delete ${arr[$i]}
+		fi
+	fi
+done
+vmsts=$(acrnctl list)
+vms=(${vmsts// / })
+for((i=0;i<${#vms[@]};i++))
+do
+	if [ "$vm_name" = "${vms[$i]}" ]; then
+		if [ "stopped" != "${vms[$i+1]}" ]; then
+			echo "Uos ${vms[$i]} ${vms[$i+1]}"
+			acrnctl stop ${vms[$i]}
+		fi
+	fi
+done
+
+if [ ! -f "$shell" ]; then
+        echo "Pls add the vm at first!"
+        exit
+fi
+
+if [ ! -f "$arg_file" ]; then
+        echo "Pls add the vm args!"
+        exit
+fi
+
+if [ ! -d "$rootfs_dir" ]; then
+        mkdir -p "$rootfs_dir"
+fi
+if [ ! -d "$runc_bundle" ]; then
+	mkdir -p "$runc_bundle"
+fi
+if [ ! -f "$config_dst" ]; then
+        cp  "$config_src"  "$config_dst"
+        args=$(sed '{s/-C//g;s/^[ \t]*//g;s/^/\"/;s/ /\",\"/g;s/$/\"/}' ${arg_file})
+        sed -i "s|\"sh\"|\"$shell\", $args|" $config_dst
+fi
+runc run --bundle $runc_bundle -d $vm_name
+echo "The runC container is running in backgroud"
+echo "'#runc exec <vmname> bash' to login the container bash"
+exit
+}
+
+while getopts "V:M:hd:C" opt
 do
 	case $opt in
 		V) launch_type=$[$OPTARG]
@@ -407,6 +474,8 @@ do
 			;;
 		d) debug=1
 			;;
+		C) runC_enable=1
+			;;
 		h) help
 			exit 1
 			;;
@@ -434,6 +503,15 @@ if [ $launch_type == 6 ]; then
 	fi
 fi
 
+if [ $runC_enable == 1 ]; then
+	if [ $(hostname) = "runc" ]; then
+		echo "Already in container exit!"
+		exit
+	fi
+	run_container
+	exit
+fi
+
 # offline SOS CPUs except BSP before launch UOS
 for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
         online=`cat $i/online`